Fix: metadata lttng channel refcount

[lttng-modules.git] / lttng-abi.c

diff --git a/lttng-abi.c b/lttng-abi.c
index ba8362b167a3fd9a42612bc5c2631fedd4cb0bee..26a456ece13f7ed0a62b5e3b3e92d2cff942c17c 100644 (file)
--- a/lttng-abi.c
+++ b/lttng-abi.c
@@ -686,8 +686,11 @@ int lttng_metadata_ring_buffer_release(struct inode *inode, struct file *file)
 {
        struct lttng_metadata_stream *stream = file->private_data;
        struct lib_ring_buffer *buf = stream->priv;
+       struct channel *chan = buf->backend.chan;
+       struct lttng_channel *lttng_chan = channel_get_private(chan);
 
        kref_put(&stream->metadata_cache->refcount, metadata_cache_destroy);
+       fput(lttng_chan->file);
 
        return lib_ring_buffer_release(inode, file, buf);
 }
@@ -819,6 +822,7 @@ int lttng_abi_open_metadata_stream(struct file *channel_file)
        if (ret < 0)
                goto fd_error;
 
+       atomic_long_inc(&channel_file->f_count);
        kref_get(&session->metadata_cache->refcount);
        list_add(&metadata_stream->list,
                &session->metadata_cache->metadata_stream);